<!DOCTYPE>
<html>
<head>
<style>
    #background {
        position: relative;
        top: 50px;
        left: 50px;
        width: 200px;
        height: 200px;
        background-color: green;
    }

    #content {
        width: 100px;
        height: 100px;
        background-color: blue;
    }
</style>
</head>
<body>
<!-- When the test is done, there should only be a green square on the page -->
<div id="background">
    <div id="content"></div>
</div>
</body>
</html>
